The increasing demand of the public to tackle the climate change has forced many companies to change their strategies. The aviation fuel is a major contributor to the global warming. The old aircrafts consume a lot of fuel. The take and landing only consume 25-30% percent of fuels. The public is demanding that companies purchase those aircrafts which consume very less fuel and if possible, run on a greener fuel. Moreover, aircrafts are criticised for being creating a lot of noise pollution. Emirates airlines is now ensuring to purchase the world’s most efficient fuel-efficient aircrafts and it has the worlds youngest fleet in its arsenal.